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xz_007 [3.2K]
2 years ago
7

20men working 8hours a day took 18days to complete a work . How long will 24 men working 5 hours a day take to complete the some

work
Mathematics
1 answer:
Mila [183]2 years ago
7 0

Step-by-step explanation:

20 men work 8 hours a day for 18 days.

that are

20×8×18 = 2880 work hours to complete that work.

if 24 men work 5 hours a day, that are

24×5 = 120 work hours per day.

we still need to do the total 2880 work hours.

so, they will need

2880 / 120 = 24 days to complete the work.

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Bond [772]
Im pretty sure its 180 hope this helps 
3 0
3 years ago
E varies directly with the square root of C. If E=40 when C=25 find: E when C= 49
tiny-mole [99]

Answer: E = 56

Step-by-step explanation:

E is proportional to √C

To remove proportionality, introduce a constant (k).

E = k × √C

From question,

E = 40 and C = 25

So,

40 = k ×√25

40 = k × 5

k = 8

Now,

C = 49

k = 8

E = ?

E = k√C

E = 8 × √49

E = 8 × 7

E = 56

6 0
3 years ago
Read 2 more answers
What is the slope in the table below
eduard

Answer:

<h2>The table does not show a linear function</h2>

Step-by-step explanation:

\text{The formula of a slope:}\\\\m=\dfrac{y_2-y_1}{x_2-x_1}\\\\\text{From the table we have:}\\\\(5,\ 24),\ (10,\ 21),\ (15,\ 17),\ (20,\ 13)\\\\\text{Check}\\\\\dfrac{21-24}{10-5}=\dfrac{-3}{5}=-\dfrac{3}{5}\\\\\dfrac{17-21}{15-10}=\dfrac{-4}{5}=-\dfrac{4}{5}\\\\-\dfrac{3}{5}\neq-\dfrac{4}{5}

3 0
3 years ago
Find the sum of the measures of the interior angles of a convex 37-gon.
denis-greek [22]
<span>There is an equation to solve this. It looks like: Sum of interior angles = (n - 2) * 180 degrees where n is the number of sides of the n-gon, which is 37.</span>
7 0
3 years ago
Two angles of a quadrilateral measures 20° and 50° the other two angles are in a ratio of 4:15 what are the measures of those tw
AURORKA [14]

Answer:

Solve for Y, then use either equation to find X

Step-by-step explanation:

360-275-20=65ratio 3:103x+10x=6513x=65x=55*3=15° and 5*10=50°15° and 50° are the other two angles

6 0
2 years ago
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